Finding the Third Proportional to 42,531.75 and 99,343.13

Step by Step Solution

1. Step 1: Write the proportion equation
   42,531.75 : 99,343.13 = 99,343.13 : x
2. Step 2: Convert to fraction form
   42,531.75/99,343.13 = 99,343.13/x
3. Step 3: Cross multiply
   42,531.75x = 99,343.13 × 99,343.13
4. Step 4: Simplify right side
   42,531.75x = 9,869,056,484.77
5. Step 5: Solve for x
   x = 9,869,056,484.77/42,531.75
6. Step 6: Final answer
   x = 232,039.75